CN107294043A - Flexible protection device of submarine cable for offshore wind power - Google Patents
Flexible protection device of submarine cable for offshore wind power Download PDFInfo
- Publication number
- CN107294043A CN107294043A CN201710493802.4A CN201710493802A CN107294043A CN 107294043 A CN107294043 A CN 107294043A CN 201710493802 A CN201710493802 A CN 201710493802A CN 107294043 A CN107294043 A CN 107294043A
- Authority
- CN
- China
- Prior art keywords
- extra large
- large cable
- flexible protection
- type pipe
- bending restrictor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005452 bending Methods 0.000 claims abstract description 49
- 230000002787 reinforcement Effects 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract 1
- 210000003739 neck Anatomy 0.000 description 10
- 230000005611 electricity Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 208000010543 22q11.2 deletion syndrome Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/02—Installations of electric cables or lines in or on the ground or water laid directly in or on the ground, river-bed or sea-bottom; Coverings therefor, e.g. tile
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses a submarine cable flexible protection device, which comprises: the device comprises a J-shaped submarine cable pipe, a submarine cable center clamp and a submarine cable bending limiter, wherein the submarine cable center clamp is positioned in the submarine cable J-shaped pipe, and the submarine cable bending limiter is connected to the tail of the submarine cable center clamp. Through the mode, the submarine cable protection device for offshore wind power can be applied to submarine cable protection under any working condition under sea, cables can be directly dragged on an offshore platform, divers do not need to go into the sea, construction cost can be saved, engineering efficiency is improved, and the disaster prevention performance and operation reliability of submarine cables are effectively improved.
Description
Technical field
The present invention relates to marine cable field, more particularly to a kind of offshore wind farm protection of submarine cable device.
Background technology
The development and application of new energy are extremely swift and violent, particularly offshore wind farm and marine oil gas-field exploitation, in energy extraction
In transportation, submarine cable is the unique channel for transmitting electric energy, therefore the application of submarine cable is more and more extensive.Seabed electricity
Cable once breaks down, and will influence the normal operation of whole marine wind electric field.
The content of the invention
The present invention solves the technical problem of a kind of offshore wind farm protection of submarine cable device is provided, the device can
Prevent ocean current from washing away the impact to cable and rocking.
In order to solve the above technical problems, one aspect of the present invention is：A kind of extra large cable flexible protective dress is provided
Put, including：Extra large cable J-type pipe, extra large cable centre clamp and extra large cable bending restrictor,
The extra large cable centre clamp is located in the extra large cable J-type pipe, and the extra large cable bending restrictor is connected to the extra large cable center
The afterbody of fixture.
In a preferred embodiment of the present invention, the extra large cable J-type pipe includes J-type pipe top and J-type pipe horn mouth.
In a preferred embodiment of the present invention, the head of the extra large cable centre clamp is located at the J-type pipe top, described
The afterbody of extra large cable centre clamp is located in the J-type pipe horn mouth, and the part of the extra large cable bending restrictor is located at the J-type pipe
In horn mouth.
In a preferred embodiment of the present invention, the extra large cable centre clamp includes conical head, the gear being connected with each other successively
Piece, contiguous block and afterbody ring flange.
In a preferred embodiment of the present invention, the contiguous block is merged by two semi-circular structures and formed.
In a preferred embodiment of the present invention, the length of the contiguous block is set according to demand.
In a preferred embodiment of the present invention, extra large cable bending restrictor is stung by least two bending restrictor units head and the tail
Interlocking composition is closed, stem bulge loop, neck, changeover portion and the afterbody that each bending restrictor unit includes being sequentially connected are convex
Ring, afterbody bulge loop is internally provided with annular slot.
In a preferred embodiment of the present invention, the neck of the bending restrictor unit is provided with reinforcement, described to add
Strengthening tendons is distributed in neck one week.
In a preferred embodiment of the present invention, the afterbody bulge loop of the bending restrictor unit and the changeover portion of neck are adopted
Designed with the conical surface, and the junction of the conical surface and afterbody bulge loop and neck uses chamfered transition.
In a preferred embodiment of the present invention, each bending restrictor unit uses Ha Fushi structures, by two pieces
Half-round symmetrical module is bolted, and is buckled into the cylindric bending restrictor unit of a reducing, the half-round symmetrical mould
Block is formed using polyurethane material is integrated poured.
The beneficial effects of the invention are as follows：Offshore wind farm of the present invention protection of submarine cable device, can be applied to any under sea
The extra large cable protection of operating mode, can at sea direct tow cable on platform, plunged into the commercial sea without diver, construction cost can be saved, improved
Engineering efficiency, effectively improves submarine cable and takes precautions against natural calamities performance and reliability of operation.Bending restrictor is connected in centre clamp tail end,
It is wrapped in outside extra large cable, it is to avoid the positioning due to current scour, by centre clamp at J-type pipe horn mouth, can effectively reduces water
Flow the impact to cable and rock impact, rock, cause the hanging of extra large cable, transition bending and wear and tear.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the preferred embodiment of protection of submarine cable device one of the present invention；
Fig. 2 is the sectional view of protection of submarine cable device of the present invention shown in Fig. 1；
Fig. 3 is the structural representation of bending limiting unit；
Fig. 4 is the structural representation of half-round symmetrical module；
Label declaration in figure：1- extra large cable J-types pipe, 2- extra large cables centre clamp, 3- extra large cables bending restrictor, 11-J type pipes top,
12-J type pipes horn mouth, 21- conical heads, 22- catch, 23- contiguous blocks, 24- afterbodys ring flange, 31- bending restrictors unit,
311- stems bulge loop, 312- necks, 313- changeover portions, 314- afterbodys bulge loop, 315- annular slots, 316- reinforcements, 317- are first
Portion's bolt hole, 318- afterbodys bolt hole, 319- cable passages, 310- half-round symmetricals module, alignment pin 3102 are determined with opposite side
Position hole 3101,4- submarine cables.
Embodiment
Presently preferred embodiments of the present invention is described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, apparent is clearly defined so as to be made to protection scope of the present invention.
As depicted in figs. 1 and 2, offshore wind farm of the present invention extra large cable flexible protective system includes extra large cable J-type pipe 1, seabed electricity
Cable 4, extra large cable centre clamp 2 and extra large cable bending restrictor 3.
The submarine cable 4 passes through extra large cable centre clamp 2 and extra large cable bending restrictor 5, and is fixed on extra large cable J-type pipe 1
In collectively form extra large cable flexible protection.The extra large cable centre clamp 2 is located in the extra large cable J-type pipe 1, the extra large cable bending
Limiter 3 is connected to the afterbody of the extra large cable centre clamp 2.
The extra large cable J-type pipe includes J-type pipe top 11 and J-type pipe horn mouth 12.The head position of the extra large cable centre clamp 2
In the J-type pipe top 11, the afterbody of the extra large cable centre clamp 2 is located in the J-type pipe horn mouth 12, the extra large cable bending
The part of limiter 3 is located in the J-type pipe horn mouth 12.
The extra large cable centre clamp 2 is fastened on submarine cable 4, plays a part of to clamp submarine cable.The extra large cable center
Fixture 2 includes conical head 21, catch 22, contiguous block 23 and the afterbody ring flange 24 being connected with each other successively.The contiguous block 23 by
Two semi-circular structures, which merge, to be formed, and is fixed by screw through the screw hole 231 on contiguous block 23 and is clamped submarine cable 4.
The length of the contiguous block 23 and the quantity of screw hole 231 according to extra large cable size and working environment parameter increase or decrease length and
Quantity.
The submarine cable 4 is in J-type pipe 1, and the extra large cable centre clamp 2 is fixed at J-type pipe horn mouth.The extra large cable
The external diameter of centre clamp 2 is slightly smaller than the external diameter on J-type pipe top 11.
The extra large cable bending restrictor 3 is connected to the afterbody ring flange 24 of extra large cable centre clamp 2, by annular slot 515 with
Afterbody ring flange 24 aligns and connected, and forms attachment means.
The annular slot 315 of extra large cable bending restrictor 3 and the afterbody ring flange 24 of extra large cable centre clamp 2 answer chamfering per side,
The external diameter of annular slot 315 is slightly larger than the external diameter of afterbody ring flange 24, it is ensured that had time between annular slot 315 and afterbody ring flange 24
Gap, can mutually be moved.
The extra large cable bending restrictor 3 is fixed by alignment pin 3102 and screw hole 317.Every group of extra large cable bending restrictor
Docked with the bending restrictor groove being connected on top.Each group connection eventually forms extra large cable bending limiting protector.The extra large cable
Bending restrictor can arbitrarily increase according to marine environment reduces its quantity.
Such as the structural representation of the extra large cable bending restrictors 3 for as described in of Fig. 3 and 4.The submarine cable bending restrictor 3, bag
Include at least two bending restrictor unit 31, by head and the tail occlusion interlocking be serially connected.Each bend limiter unit includes head
Portion's bulge loop 311, neck 312, the afterbody bulge loop 314 of changeover portion 313, this four part is sequentially connected.And in neck 312 and changeover portion
313 link position, there is provided reinforcement 316.
As shown in figure 4, the bending limiting unit 31 uses Ha Fushi structures, passed through by two pieces of half-round symmetrical modules 310
Bolt connection, fastening is formed, and the mutual cooperation of positioning hole 3101 of the alignment pin 3102 by side and opposite side is positioned.It is described
Stem bulge loop 311 is provided with stem bolt hole 317, and the afterbody bulge loop 314 is provided with afterbody bolt hole 318.
The changeover portion 313 of afterbody bulge loop 314 and neck 312 is designed using the conical surface, and the conical surface and afterbody bulge loop 314 and neck
The junction in portion 312 uses chamfered transition.
Afterbody bulge loop 314 is internally provided with annular slot 315, and the stem to accommodate adjacent flex limiter unit 31 is convex
Ring 311, makes its lock wherein.
Bending restrictor unit 31 uses polyurethane material, and symmetrical structure is integrated poured to be formed, then two parts symmetrical junction
Structure is bolted fixation, forms a bending restrictor unit 31.Before bolt connection, adjacent bending restrictor list
The stem bulge loop 311 of member need to be pre-placed in the annular slot 315 of the afterbody bulge loop 314 of this bending restrictor unit 31.
The middle part of bending restrictor unit 31 is a circular cable passage 319, and several bending restrictor units 1 are connected
Afterwards, cable passes through from passage, be positioned over cable some there may be the position of bending.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of extra large cable flexible protection, it is characterised in that including：Extra large cable J-type pipe（1）, extra large cable centre clamp（2）And sea
Cable bending restrictor（3）,
The extra large cable centre clamp（2）Positioned at the extra large cable J-type pipe（1）It is interior, the extra large cable bending restrictor（3）It is connected to described
Extra large cable centre clamp（2）Afterbody.
2. extra large cable flexible protection according to claim 1, it is characterised in that the extra large cable J-type pipe is included on J-type pipe
Portion（11）With J-type pipe horn mouth（12）.
3. extra large cable flexible protection according to claim 2, it is characterised in that the extra large cable centre clamp（2）Head
Portion is located at the J-type pipe top（11）, the extra large cable centre clamp（2）Afterbody be located at the J-type pipe horn mouth（12）In, institute
State extra large cable bending restrictor（3）Part be located at the J-type pipe horn mouth（12）In.
4. extra large cable flexible protection according to claim 1, it is characterised in that the extra large cable centre clamp（2）Including
The conical head being connected with each other successively（21）, catch（22）, contiguous block（23）With afterbody ring flange（24）.
5. extra large cable flexible protection according to claim 4, it is characterised in that the contiguous block（23）By two semicircles
Structure, which merges, to be formed.
6. extra large cable flexible protection according to claim 4, it is characterised in that the contiguous block（23）Length according to
Demand is set.
7. extra large cable flexible protection according to claim 1, it is characterised in that extra large cable bending restrictor（3）By at least
Two bending restrictor units（31）Head and the tail occlusion interlocking composition, each bending restrictor unit（31）Including being sequentially connected
Stem bulge loop（311）, neck（312）, changeover portion（313）With afterbody bulge loop（314）, afterbody bulge loop（314）It is internally provided with
Annular slot（315）.
8. extra large cable flexible protection according to claim 7, it is characterised in that the bending restrictor unit（31）'s
Neck（312）There is provided reinforcement（316）, the reinforcement（316）It is distributed in neck（312）One week.
9. extra large cable flexible protection according to claim 7, it is characterised in that the bending restrictor unit（31）'s
Afterbody bulge loop（314）With neck（312）Changeover portion（313）Designed using the conical surface, and the conical surface and afterbody bulge loop（314）
And neck（312）Junction use chamfered transition.
10. extra large cable flexible protection according to claim 7, it is characterised in that each bending restrictor unit
（31）Using Ha Fushi structures, by two pieces of half-round symmetrical modules（310）It is bolted, is buckled into reducing cylindric
Bending restrictor unit（31）, the half-round symmetrical module（310）Formed using polyurethane material is integrated poured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710493802.4A CN107294043A (en) | 2017-06-26 | 2017-06-26 | Flexible protection device of submarine cable for offshore wind power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710493802.4A CN107294043A (en) | 2017-06-26 | 2017-06-26 | Flexible protection device of submarine cable for offshore wind power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107294043A true CN107294043A (en) | 2017-10-24 |
Family
ID=60098092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710493802.4A Pending CN107294043A (en) | 2017-06-26 | 2017-06-26 | Flexible protection device of submarine cable for offshore wind power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107294043A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109285621A (en) * | 2018-09-30 | 2019-01-29 | 洛阳申耐电力设备有限公司 | A kind of dedicated anti-bending water-cooled cable of intermediate frequency furnace |
| CN109305598A (en) * | 2018-08-21 | 2019-02-05 | 北京国电通网络技术有限公司 | A kind of OPLC construction traction device |
| CN110148911A (en) * | 2018-02-08 | 2019-08-20 | 中天海洋系统有限公司 | Sea cable positioning device and its manufacturing method |
| CN110212470A (en) * | 2019-06-04 | 2019-09-06 | 大连理工大学 | A kind of high-performance bending restrictor that four face contacts is sealed |
| CN110762340A (en) * | 2019-10-25 | 2020-02-07 | 大连理工大学 | Embedded steel cylinder type ocean flexible pipe cable bending limiter |
| CN110895222A (en) * | 2019-12-12 | 2020-03-20 | 大连理工大学 | Stretch bending combined mechanical experiment device for marine pipe cable bending limiter |
| CN112993911A (en) * | 2021-02-07 | 2021-06-18 | 中海油能源发展装备技术有限公司 | Submarine cable protection method |
| WO2021170966A1 (en) * | 2020-02-27 | 2021-09-02 | Super Grip (UK) Limited | Cable protection |
| CN114256797A (en) * | 2022-01-10 | 2022-03-29 | 江苏亨通高压海缆有限公司 | Dynamic submarine cable underwater anchoring device and offshore wind power system |
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| CN205355757U (en) * | 2016-01-05 | 2016-06-29 | 中国电建集团华东勘测设计研究院有限公司 | Curved protection tube of marine fan cable limit |
| CN105914674A (en) * | 2016-06-07 | 2016-08-31 | 浙江华蕴海洋工程技术服务有限公司 | Cable protection pipe |
| CN106207930A (en) * | 2016-07-28 | 2016-12-07 | 中天海洋系统有限公司 | A kind of offshore wind farm sea cable goes out J-type protection of pipe device |
| CN106253189A (en) * | 2016-09-06 | 2016-12-21 | 苏州希倍优辊轮有限公司 | A kind of sea cable centralized positioning clamp traction apparatus |
| CN206947912U (en) * | 2017-06-26 | 2018-01-30 | 江苏亨通高压海缆有限公司 | A kind of offshore wind farm extra large cable flexible protection |
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2017
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Patent Citations (5)
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| CN205355757U (en) * | 2016-01-05 | 2016-06-29 | 中国电建集团华东勘测设计研究院有限公司 | Curved protection tube of marine fan cable limit |
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| CN106207930A (en) * | 2016-07-28 | 2016-12-07 | 中天海洋系统有限公司 | A kind of offshore wind farm sea cable goes out J-type protection of pipe device |
| CN106253189A (en) * | 2016-09-06 | 2016-12-21 | 苏州希倍优辊轮有限公司 | A kind of sea cable centralized positioning clamp traction apparatus |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110148911A (en) * | 2018-02-08 | 2019-08-20 | 中天海洋系统有限公司 | Sea cable positioning device and its manufacturing method |
| CN110148911B (en) * | 2018-02-08 | 2024-05-17 | 中天海洋系统有限公司 | Submarine cable positioning device and manufacturing method thereof |
| CN109305598A (en) * | 2018-08-21 | 2019-02-05 | 北京国电通网络技术有限公司 | A kind of OPLC construction traction device |
| CN109305598B (en) * | 2018-08-21 | 2020-09-25 | 北京国电通网络技术有限公司 | OPLC construction traction device |
| CN109285621A (en) * | 2018-09-30 | 2019-01-29 | 洛阳申耐电力设备有限公司 | A kind of dedicated anti-bending water-cooled cable of intermediate frequency furnace |
| CN110212470A (en) * | 2019-06-04 | 2019-09-06 | 大连理工大学 | A kind of high-performance bending restrictor that four face contacts is sealed |
| CN110762340A (en) * | 2019-10-25 | 2020-02-07 | 大连理工大学 | Embedded steel cylinder type ocean flexible pipe cable bending limiter |
| CN110895222A (en) * | 2019-12-12 | 2020-03-20 | 大连理工大学 | Stretch bending combined mechanical experiment device for marine pipe cable bending limiter |
| WO2021170966A1 (en) * | 2020-02-27 | 2021-09-02 | Super Grip (UK) Limited | Cable protection |
| CN112993911A (en) * | 2021-02-07 | 2021-06-18 | 中海油能源发展装备技术有限公司 | Submarine cable protection method |
| CN114256797A (en) * | 2022-01-10 | 2022-03-29 | 江苏亨通高压海缆有限公司 | Dynamic submarine cable underwater anchoring device and offshore wind power system |
| CN114256797B (en) * | 2022-01-10 | 2024-01-05 | 江苏亨通高压海缆有限公司 | Dynamic submarine cable underwater anchoring device and offshore wind power system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171024 |